// pages/userlist/userlist.js
const db = wx.cloud.database()
const app = getApp()
Page({

  /**
   * 页面的初始数据
   */
  data: {
    items: [],
    departs:['请选择'],
    startX: 0,
    startY: 0,
    index: 0
  },

  onReturn:function(){
     wx.reLaunch({
       url: '/pages/user/user',
     })
  },
  departSelected:function(e){
    this.setData({
      index: e.detail.value
    })
    var v_depart = this.data.departs[e.detail.value]
    this.onInitData(v_depart)
  },
  //数据库后台获取;
  onInitDepart() {
    var that = this
    wx.request({
      url: app.globalData.serverUrl + '/depart/',
      success(res) {
        for (var i = 0; i < res.data.length; i++)
          that.setData({
            departs: that.data.departs.concat(res.data[i].depart)
          })
      },
      fail(err) {
        console.log('onInitDepart Error:', err)
      }
    })
  },

  //微信云数据库获取部门
  wxy_onInitDepart() {
    db.collection('departs').field({
      depart: true
    }).where({
      _openid: 'ohg9a5NAOdZbTKcIlB_1dT3_5vxM'
    }).get().then(res => {
      //console.log(res.data);
      for (var i = 0; i < res.data.length; i++) {
        this.setData({
          departs: this.data.departs.concat(res.data[i]['depart'])
        })
      }
    }).catch(err => {
      console.log(err);
    })
  },

  onInitData(depart){
    var that = this
    that.setData({
      items: []
    })
    wx.request({
      url: app.globalData.serverUrl + '/get-user/?depart='+depart,
      //url: app.globalData.serverUrl + '/user',
      success(res){
        for(var i=0;i< res.data.length;i++)
        {
           let item ={
             user_id: res.data[i]['user_id'],
             username: res.data[i]['user_name'],
             usercode: res.data[i]['user_code'],
             depart: res.data[i]['depart']
           }
           that.setData({
             items: that.data.items.concat(item)
           })
        }
      },
      fail(err){
        console.log(err)
      }
    })
  },
  wx_onInitData(){
    db.collection("user").where({
      _openid: app.globalData.projectid 
    }).get().then(res => {
      this.setData({
        items: this.data.items.concat(res.data)
      })
    }).catch(err => {
      console.log(err);
    })
  },

  //
  touchstart: function (e) {
    this.data.items.forEach(function (v, i) {
      if (v.isTouchMove)
        v.isTouchMove = false;

    })
    this.setData({
      startX: e.changedTouches[0].clientX,
      startY: e.changedTouches[0].clientY,
      items: this.data.items
    })
  },
  //滑动事件处理 
  touchmove: function (e) {
    var that = this,
      //当前索引 
      index = e.currentTarget.dataset.index,
      //开始X坐标 
      startX = that.data.startX,
      //开始Y坐标 
      startY = that.data.startY,
      //滑动变化坐标 
      touchMoveX = e.changedTouches[0].clientX,
      //滑动变化坐标
      touchMoveY = e.changedTouches[0].clientY,
      //获取滑动角度 
      angle = that.angle({ X: startX, Y: startY }, { X: touchMoveX, Y: touchMoveY });
    that.data.items.forEach(function (v, i) {
      v.isTouchMove = false
      //滑动超过30度角 return 
      if (Math.abs(angle) > 30)
        return;
      if (i == index) {
        if (touchMoveX > startX) //右滑
          v.isTouchMove = false
        else //左滑 
          v.isTouchMove = true
      }
    }) //更新数据 
    that.setData({
      items: that.data.items
    })
  },
  /**
   * 计算滑动角度
   * @param {Object} start 起点坐标
   * @param {Object} end 终点坐标
   */
  angle: function (start, end) {
    var _X = end.X - start.X,
      _Y = end.Y - start.Y
    //返回角度 /Math.atan()返回数字的反正切值 
    return 360 * Math.atan(_Y / _X) / (2 * Math.PI);
  },
  //删除事件 
  del: function (e) {
    var that = this
    var i = e.currentTarget.index
    var id = that.data.items[e.currentTarget.dataset.index]['user_id']
    //console.log('2222',id)
    //console.log(this.data.items[e.currentTarget.dataset.index])
    wx.showModal({
      title: '提示',
      content: '是否删除？',
      confirmColor: '#f83d46',
      success(res) {
        if (res.confirm) {
          wx.request({
            url: app.globalData.serverUrl + '/user?user=' + id,
            method: 'DELETE',
            success(res) {
              if (res.data == 'OK') {
                wx.showToast({
                  title: '删除成功!!',
                })
                //////
                that.data.items.splice(e.currentTarget.dataset.index, 1)
                that.setData({
                  items: that.data.items
                })
              }
            }
          })
        } // end if
      }
    })
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    console.log('onload....')
    this.onInitDepart()
  },

  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady: function () {
    console.log('onReady...')
    var that = this
    var v_depart = that.data.departs[that.data.index]
    this.onInitData(v_depart)
  },

  /**
   * 生命周期函数--监听页面显示
   */
  onShow: function () {

  },

  /**
   * 生命周期函数--监听页面隐藏
   */
  onHide: function () {

  },

  /**
   * 生命周期函数--监听页面卸载
   */
  onUnload: function () {

  },

  /**
   * 页面相关事件处理函数--监听用户下拉动作
   */
  onPullDownRefresh: function () {

  },

  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom: function () {

  },

  /**
   * 用户点击右上角分享
   */
  onShareAppMessage: function () {

  }
})